FXS Adapter (2 lines) is easy to install and use. The SPA112 works over an IP network to connect analog phones and fax machines to a VoIP service provider.
The Cisco SPA112 is compact in design and compatible with international voice and data standards. It can be used with residential, home-office, and small-business-VoIP service offerings, including full-featured hosted or open source IP PBX environments.
